package com.leeon.thread;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;

class ExceptionThread2 implements Runnable {

	@Override
	public void run() {
		Thread t  = Thread.currentThread();
		System.out.println("run() by" + t);
		System.out.println("eh = " + t.getUncaughtExceptionHandler());
		throw new RuntimeException();
	}

}

class MyUnCaughtExceptionHandler implements Thread.UncaughtExceptionHandler{

	@Override
	public void uncaughtException(Thread t, Throwable e) {
		System.out.println("caught " + e);
	}
	
}

class HandlerThreadFactory implements ThreadFactory{

	@Override
	public Thread newThread(Runnable r) {
		System.out.println(this + " creating new thread");
		Thread t = new Thread(r);
		System.out.println("created " + t);
		t.setUncaughtExceptionHandler(new MyUnCaughtExceptionHandler());
		System.out.println("eh = " + t.getUncaughtExceptionHandler());
		return t;
	}
	
}

public class CaptureUncaughtException{
	public static void main(String[] args) {
		ExecutorService exec = Executors.newCachedThreadPool(new HandlerThreadFactory());
		exec.execute(new ExceptionThread2());
	}
}